A patient has just gone into cardiac arrest. His heart is most likely in what rhythm?

The pressure applied during the progressive pressure technique should be:

a. between 8 and 9 but not past 10 on a discomfort rating scale of 1-10. b. between 6 and 8 but not past 9 on a discomfort rating scale of 1-10. c. between 2 and 4 but not past 6 on a discomfort rating scale of 1-10 . d. None of the above

Which of the following situations would result in a more rapid response by the immune system to an infection?

A) First-time exposure to an antigen with memory T cell activation B) First-time exposure to an antigen with memory B cell activation C) First-time exposure to an antigen D) Second exposure to an antigen with memory B cell activation